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Test___AP_Stats_Unit_1_Oct_2005

# Test___AP_Stats_Unit_1_Oct_2005 - AP Statistics and Data...

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AP Statistics and Data Management Name: Test – Unit 1 – Chapters 1 to 6 ___________________________________ Each problem will be assessed for knowledge/application/thinking, and also for effective communication. Formulae: n x x i = ( 29 ( 29 1 1 1 2 2 - - = - - = n x x x x n s i i x 1. Fran used this graph to show that the ages of people on the Whirlybird Ride are normally distributed with a mean of approximately 20. People on the Whirlybird Ride at the Fair 0 5 10 15 20 25 30 0 to 4 5 to 9 10 to 14 15 to 19 20 to 29 30 to 49 50 to 69 70 to 89 Age Number of people Criticize Fran’s work in two or three sentences. Statistical Communication

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knowledge
2. The September 2005 monthly report from the Conference of Independent Schools (CIS) contained this data about OFSAA category school teams at CIS schools last year. (a) If you were to choose a 2004-2005 team from a CIS school at random, what is the likelihood (expressed as a percent) that the coach was a woman? (b) If you were to choose a 2004-2005 CIS team coached by a woman, at random, what is the likelihood that the team was a girls team? (c) I once heard a parent of a girl state that it seems that girls’ teams are more often coached by men, than boys’ teams are coached by women. Do the data support that statement or refute that statement?

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